High Frequency Trading is the topic of fierce discussion as the general functioning of financial markets has come under increased scrutiny in times of economic uncertainty. The purpose of this paper is to explain the emergence of High Frequency Trading and to address the problematic of market...

We investigate the informational role of trading volume and quote changes in VIX options with regard to future movements in the index, based upon a high-frequency framework. Our results reveal that whilst volume imbalances convey no significant predictive information, quote changes in VIX...

We show that the FX impact of monetary policy has been growing significantly. We use a high-frequency event study of the joint response of fixed income instruments and exchange rates to monetary policy news from seven major central banks spanning 2004-2015. News affecting short maturity bonds...

We introduce a new approach to algorithmic investment management that yields profitable automated trading strategies. This trading model design is the result of a path of investigation that was chosen nearly three decades ago. Back then, a paradigm change was proposed for the way time is defined...

Toxic arbitrage opportunities are caused by information arriving in one market leading to short lived price deviations between markets. This paper shows that the direction of such arbitrage opportunities provides valuable insights into price discovery and markets' information shares. Starting...

In the following paper we analyze the strategic competition between fast and slow traders. The model of Kyle (1985) is adapted to analyze the effect of speed in such a model. A High Frequency Trader (HFT) is defined as a trader that has the ability to react to information faster than other...

This paper offers a systematic review of the empirical literature on the implications of tick size changes for exchanges. Our focus is twofold: first, we are concerned with the market quality implications of a change in the minimum tick size. Second, we are interested in the implications of...

We use the introduction of a financial transaction tax (FTT) in France in 2012 to test competing theories on its impact. We find no support for the idea that an FTT improves market quality by affecting the composition of trading volume. Instead, our results are in line with the hypothesis that a...

Purpose - The purpose of this paper is to present an overview of the flash crash, and explain why and how it happened. Design/methodology/approach - The author summarizes several studies suggesting various perspectives on the flash crash and its causes. Furthermore, the author highlights...